Hoku is a bright phase of the full moon in Hawaiian. An appropriate name for these buttons that were custom made for RGB lighting. These are the real original arcade buttons from IL, made in Spain, not in Asia. This is who supplied all of Happ buttons before Happ exported production to China.

These

Standard arcade sized 1 1/8" hole

Made for 1/16 inch metal to 3/4 inch wood control panels

Original Cherry microswitches with .187" terminals are an option, these are sold standard with Zippy's